Towbar wiring kits... why you won't need to worry about buying stuff separately.
Most towbar wiring kits contain a vehicle specific wiring harness, a control unit with vehicle connectors, customised relays, a loom with corresponding plug in connectors, power and communication cables, fully detailed illustrated instructions and a high quality 7 or 13 pin socket.
In the universe of towbar wiring kits, it's all about the added extras!
Other components to look for...
Other items you should look for in a decent tow bar wiring kits are cable ties, fuses, and all the grommets required to finish the installation. You can get universal tow bar wiring kits but customised kits are specially designed to work specifically with your vehicle's electronic system.
What towbar wiring kits do...
Towbar wiring kits activate the dash trailer indicator warning light, deactivate parking aids and the rear fog lamps - depending on the model of your vehicle. Decent Tow Bar Wiring Kits are overall not that hard to fit and detailed instructions help a lot. The installation process should take no longer than a few hours, then you may need coding on your vehicle diagnostics. The customised kits generally give you more automation and control over systems like trailer stability, suspension, traction control and anti-lock braking.